摘要：
本文描述基于mini6410平台的time.c中的相关代码，主要描述下对部分代码的理解。先贴上代码: 1 /* we use the shifted arithmetic to work out the ratio of timer ticks 2 * to usecs, as often the peripheral clock is not a nice even multiple 3 * of 1MHz. 4 * 5 * shift of 14 and 15 are too low for the 12MHz, 16 seems to be ok 6 * for the cur... 阅读全文
